ACTION! (アクション) forms.
V&G. Yoshiro Takahashi (高橋ヨシロウ) / G. MOCK / B. Keiichi Otani (大谷慶一) / D. 秋田鋭次郎
ACTION! become a major act and joins PHILIPS & Nippon Phonogram (日本フォノグラム).
Drummer 秋田鋭次郎 leaves, and 本宮日登士 joins.
V&G. Yoshiro Takahashi (高橋ヨシロウ) / G. MOCK / B. Keiichi Otani (大谷慶一) / D. Hitoshi Motomiya (本宮日登士)
Guitarist MOCK secedes and 広川大輔 joins.
ACTION! leave PHILIPS & Nippon Phonogram (日本フォノグラム), and joins Victor Entertainment.
ACTION! disbands
ACTION! reunites, and Dr. 西田竜一 joins.
V&G. Yoshiro Takahashi (高橋ヨシロウ) / G. Daisuke Hirokawa (広川大輔) / B. Keiichi Otani (大谷慶一) / D. Ryuichi Nishida (西田竜一)
Bassist 大谷慶一 secedes and 笹井りゅうじ joins.
V&G. Yoshiro Takahashi (高橋ヨシロウ) / G. Daisuke Hirokawa (広川大輔) / B. Ryuji Sasai (笹井りゅうじ) / D. Ryuichi Nishida (西田竜一)
ACTION! disbands again
ACTION! reunites again, with only Vo./Gt. 高橋ヨシロウ returning from the last lineup. Ba. 大谷慶一 rejoins.
V&G. Yoshiro Takahashi (高橋ヨシロウ) / G. TAKECHIYO / B. Keiichi Otani (大谷慶一) / D. CHAKI
ACTION! joins the indies label DAIPRO-X.
Drummer CHAKI secedes and EIJIRO joins.
V&G. Yoshiro Takahashi (高橋ヨシロウ) / G. TAKECHIYO / B. Keiichi Otani (大谷慶一) / D. EIJIRO
ACTION! disbands again
ACTION! reunites for a third time.
ACTION! goes on a hiatus